混沌信号具有天然的随机性,可以作为序列密码应用于信息加密。
The chaotic signal, which possesses natural randomness, can be used for information encryption as sequence cipher.
混沌密码算法是一种快速加密算法,在安全性要求较高的领域中,有着非常广阔的应用前景。
As a fast encryption algorithm, the chaotic cryptographic method has quite wide applications in the field of security.
这部分中,本文提出了基于密码学算法的图象置乱方法和基于混沌序列的图象置乱方法,并把电视信号加密方法应用到数字图象置乱中去。
In this part, the scrambling methods based on cryptography and chaos sequences are presented, and the encryption methods used in the TV are applied to the digital image scrambling.
论文的研究工作将对数字化混沌密码的应用提供参考,并将为数字化视频加密传输与监控系统提供一种可行方案。
The study result will be a reference for digital chaotic cipher application and provide a feasible scheme for digital video encryption transmission and monitoring system.
基于分段非线性混沌映射设计了一种流密码加密方案。
A stream cipher encryption scheme was designed based on piecewise nonlinear chaotic map.
混沌流密码加密方案:利用时空混沌系统产生伪随机性能良好的二值序列,并通过了一系列性能检测,实现了对图像和语音文件的流密码加密。
Chaotic stream cipher scheme: good binary sequences are generated using chaotic system, and after performance tests the sequences are applied to encrypt images and speech signals.
而混沌系统具有对初始条件敏感性、随机性、相关性等优良的密码学性能,能够产生性能良好的伪随机序列,所以很适合于序列加密。
Chaotic systems are sensitive to the initial condition, randomness and correlativity. They can produce good pseudo - stochastic sequences. Therefore, these systems are suitable to the stream cipher.
而混沌系统具有对初始条件敏感性、随机性、相关性等优良的密码学性能,能够产生性能良好的伪随机序列,所以很适合于序列加密。
Chaotic systems are sensitive to the initial condition, randomness and correlativity. They can produce good pseudo - stochastic sequences. Therefore, these systems are suitable to the stream cipher.
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